HD6432351 datasheet(359/1025 Pages) RENESAS

359 / 1025 page

Section 9 I/O Ports

Rev. 3.00 Sep 15, 2006 page 325 of 988

REJ09B0330-0300

Port Description

Pins

Mode 1 Mode 2*

1 Mode 3*1 Mode 4

Mode 5 Mode 6*

1 Mode 7*1

Port 3 • 6-bit I/O

port

• Open-drain

output

capability

P35/SCK1

P34/SCK0

P33/RxD1

P32/RxD0

P31/TxD1

P30/TxD0

6-bit I/O port also functioning as SCI (channels 0 and 1) I/O pins (TxD0,

RxD0, SCK0, TxD1, RxD1, SCK1)

Port 4 • 8-bit input

port

P47/AN7/

DA1

P46/AN6/

DA0

P45/AN5

P44/AN4

P43/AN3

P42/AN2

P41/AN1

P40/AN0

8-bit input port also functioning as A/D converter analog inputs (AN7 to

AN0) and D/A converter analog outputs (DA1 and DA0)

Port 5 • 4-bit I/O

port

P53/ADTRG

P52

P51

P50

4-bit I/O port also functioning as A/D converter input pin (

ADTRG)

Port 6 • 8-bit I/O

port

• Schmitt-

triggered

input

(P64 to

P67)

P67/IRQ3/

CS7

P66/IRQ2/

CS6

P65/IRQ1

P64/IRQ0

P63/TEND1

P62/DREQ1

P61/TEND0/

CS5

P60/DREQ0/

CS4

8-bit I/O port also functioning as

DMA controller I/O pins

(

DREQ0, TEND0, DREQ1,

TEND1) and interrupt input pins

(

IRQ0 to IRQ3)

8-bit I/O port also functioning as

DMA controller I/O pins

(

DREQ0, TEND0, DREQ1,

TEND1), bus control output pins

(

CS4 to CS7), and interrupt

input pins (

IRQ0 to IRQ3)

8-bit I/O

port also

function-

ing as

interrupt

input pins

(

IRQ0 to

IRQ3)

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